utils/array.js

   1 export const ArrayFun = {
   2
   3   // Double array intialization
   4   init: function(size1, size2, initElem) {
   5     return [...Array(size1)].map(() => Array(size2).fill(initElem));
   6   },
   7
   8   range: function(max) {
   9     return [...Array(max).keys()];
  10   }
  11
  12 };